Amonova A. Scope of Questionnaires in the Pirls 2021 Study: Lingkup Kuesioner dalam Studi Pirls 2021. acopen [Internet]. 2022 Dec. 27 [cited 2025 Sep. 1];7:10.21070/acopen.7.2022.5658. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/5658